EP0809054B1 - Anneau d'étanchéité à double effet pour vanne à opercule coulissant - Google Patents

Anneau d'étanchéité à double effet pour vanne à opercule coulissant Download PDF

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Publication number
EP0809054B1
EP0809054B1 EP97104364A EP97104364A EP0809054B1 EP 0809054 B1 EP0809054 B1 EP 0809054B1 EP 97104364 A EP97104364 A EP 97104364A EP 97104364 A EP97104364 A EP 97104364A EP 0809054 B1 EP0809054 B1 EP 0809054B1
Authority
EP
European Patent Office
Prior art keywords
sealing
wall
ring
rubber
carrier
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP97104364A
Other languages
German (de)
English (en)
Other versions
EP0809054A1 (fr
Inventor
Horst Schmidt
Hans-Joachim GÜNTHER
Karl Heinz Roscher
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BUE-SCH-ARMATUREN GMBH
Original Assignee
Bue-Sch-Armaturen GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bue-Sch-Armaturen GmbH filed Critical Bue-Sch-Armaturen GmbH
Publication of EP0809054A1 publication Critical patent/EP0809054A1/fr
Application granted granted Critical
Publication of EP0809054B1 publication Critical patent/EP0809054B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
    • F16J15/12—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing with metal reinforcement or covering
    • F16J15/121—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing with metal reinforcement or covering with metal reinforcement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
    • F16J15/3232—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips
    • F16J15/3236—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips with at least one lip for each surface, e.g. U-cup packings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
    • F16K3/0227—Packings

Definitions

  • the invention relates to a sealing arrangement consisting of a slide valve, a wall and a double-acting sealing ring arranged between them. that in a passage opening of a wall plate is arranged, which is attached to a wall having an outlet opening is one side of the wall and the other side one Is assigned to the slide plate and has a radially projecting ledge, covered on the side facing away from the wall by holding pieces is attached to the wall plate, which is a rigid Ring bearer and on both sides only one sealing bead with a curved one Has outer surface, one of the two sealing beads a harder material and the other of a softer material is formed, and the sealing bead associated with the wall for contact to a wall edge strip surrounding the outlet opening.
  • Ring carriers are exposed and have a groove on both sides provided, in which a ring seal with a round cross section is placed, the forms the sealing bead with an outstanding area.
  • the ledge for the holding pieces are formed by the metal ring carrier.
  • the two Sealing beads are arranged offset from one another in the radial direction.
  • the sealing ring is between the wall and the holding pieces kept relatively loose.
  • the exposed ring carrier consists of normal ones Steel.
  • the slide valve is not used in connection with drinking water, but used in connection with dirty water, which on the normal Steel corrodes considerably. The corrosive attack can be avoided if the ring carrier is made of corrosion-resistant special steel is manufactured or covered with a plastic coating, on which the ring seals rest. Enlarge these two measures the effort in the production of the sealing ring is remarkable.
  • a sealing ring is also known (EP 0 505 693 A1), in which a metal ring formed as a core in a sheathing rubber compound is, which forms two sealing beads provided on both sides, the are arranged opposite each other with respect to the ring core, the encasing Rubber mass on one side overall from the material of one sealing bead and to the other side as a whole from the material the other sealing bead is formed.
  • the ring core with relatively little effort secured against corrosion.
  • this can be Sealing ring not in the slide valve of the type mentioned use and not only because the metal ring only as Reinforcement is formed and because two sealing beads are provided on each side are. Rather, the sealing beads provided on both sides are made of the same material and is a ledge for the holding pieces the wall plate does not exist.
  • sealing ring Gate valve is a ring carrier with an area in embedded a rubber mass, which forms two sealing beads, wherein the embedding rubber mass on one side in total from the material of one sealing bead and to the other side as a whole is formed by the material of the other sealing bead; on wall-side rubber mass part made of the softer material and a slider-side rubber compound part from the harder Material form a contact surface running in the circumferential direction.
  • the ring carrier protrudes from the rubber compound out and thus forms the radially projecting ledge, the the wall of a pipe lies loosely; the two sealing beads are offset against each other in the radial direction.
  • the invention Sealing arrangement is, solving this problem, characterized in that that the bend-resistant ring carrier as the core in a completely encasing Rubber compound is formed, which forms the two sealing beads, the are arranged opposite each other with respect to the ring carrier core, wherein the encasing rubber mass to one side of the whole Material of one sealing bead and to the other side from the material of the other sealing bead is formed, and that the wall-side Rubber compound part made of the softer material and the slide plate side Rubber compound part made of the harder material in the circumferential direction form running contact surface and the rubber mass with the harder material forms the ledge for the holding pieces.
  • this is due to uneven walls rigid ring carriers in the encased rubber compound provided corrosion-proof.
  • the ledge on which the wall plate supports engage is made of the harder material. It's through them Slider valve-related functions of the sealing ring under only a small amount avoided additional effort.
  • sealing bead - seen in cross section - at its beginning has a width that is larger than twice the height perpendicular to this width.
  • Sealing bead is the only sealing bead on each side that in the Sealing case occurring deformation forces particularly favorable on and takes a permanent pre-tension on the wall advantageous.
  • the two sealing beads are usually exactly opposite one another, but can also be slightly shifted laterally against each other if they only overlap sufficiently.
  • the sealing beads and the rubber compound are elastically compressible.
  • the hardness or softness of the materials is given as Shore hardness.
  • the material assigned to the wall usually has a Shore hardness of 30 - 40 and that of the slide plate assigned material usually has a Shore hardness of 50-60 on.
  • a particularly expedient and advantageous embodiment of the invention is when the two sealing beads the ring carrier core are assigned to the ring carrier core with more than half beyond their existing width at the start. This improves the sealing effect of the sealing beads. In any case, it is the apex of the sealing beads, i.e. the line of the maximum height supported against the ring carrier core.
  • the bending stiffness of the ring carrier core under the sealing Closing pressure of the slide plate is important for reliable work the slide valve in question here with the invention Sealing ring.
  • the ring carrier core must be in spite of unevenness Wall remains a completely flat structure with its central plane. This bending stiffness is easier to achieve if the ring carrier core - seen in cross section - towards its median plane is larger than at right angles to it.
  • the holding pieces overlap the ring carrier.
  • the holding pieces do not work only on rubber compound, but also on the core. This is the case the bias is particularly important.
  • the slide plate 10 is on the two long sides of a frame strut 12 of the frame 6 guided on which wedge structure 13 attached are that cooperate with wedge structures 14 that on the slide plate 10 are attached. If the slide plate 10 in the in Drawing shown closing position arrives, then meet the two mutually associated wedge structures 13, 14 one on top of the other Slider plate 10 is pressed towards wall 1. There are four Pairs of wedge structures 13, 14 are provided, each one of the Fasteners 5 is assigned. The wedge structures are short Wedge pieces.
  • the slide plate 10 and the wall plate 3 are on the Provide wall 1 facing away from reinforcing ribs 15, 16. It the slide plate 10 carries three reinforcing ribs 15 which are transverse to the Extend spindle 8 over the entire slide plate.
  • Reinforcing ribs 16 are provided, each of which is on one of the sides protruding fasteners 5 and an adjoining Area of the wall plate 3 extends. Two of the reinforcing ribs 15 penetrate one end of one of the wedge structures 14 of the slide plate 10. Each reinforcing rib 16 extends from the fastening piece 5 on the adjacent frame strut 12 of the frame 6.
  • the passage opening 4 of the wall plate 3 is larger in diameter than the outlet opening 2 of the wall 1 and the outlet opening is for Slide valve surrounded by a wall edge strip 17.
  • a Sealing ring 18 is provided, which is in the passage opening 4th located.
  • a radially projecting ledge 23 of the sealing ring 18 is covered by a holding piece 19 which is screwed to the wall plate 3 is, whereby an easy assembly with transverse movement of the sealing ring given is.
  • the sealing ring 18 comprises a metal one Ring carrier 20, which is encased by rubber mass, the wall 1 and forms a sealing bead 21, 22 towards the slide plate 10.
  • the sealing bead 22 belongs to a rubber mass part 24 made of softer material and the sealing bead 21 belongs to a rubber mass part 25 made of harder Material.
  • the two rubber mass parts 24, 25 go to a contact surface 26 one above the other parallel to the median plane of the sealing ring runs and lies approximately in the central plane of the ring carrier 20.
  • the wall-side sealing bead begins at the inside with its foot width Edge 27 of the rubber compound part 24.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sliding Valves (AREA)
  • Gasket Seals (AREA)
  • Sealing With Elastic Sealing Lips (AREA)

Claims (8)

  1. Agencement d'étanchement constitué par un opercule coulissant, par une paroi (1) et par une bague d'étanchement (18) agencée entre ces derniers et agissant sur les deux côtés,
    ladite bague étant agencée dans une traversée de passage (4) d'une plaque de paroi (3) qui est fixée contre la paroi (1) présentant une ouverture de sortie (2),
    ladite bague étant associée par un côté à la paroi (1) et par l'autre côté à une plaque coulissante (10) et comporte une moulure (23) en saillie radiale, ladite moulure étant coiffée du côté détourné de la paroi (1) par des pièces de maintien (19) qui sont fixées sur la plaque de paroi (3),
    ladite bague comportant un porte-bague (20) rigide vis-à-vis de la flexion, et un seul bourrelet d'étanchement (21, 22) des deux côtés respectifs, avec une surface extérieure incurvée, de sorte que parmi les deux bourrelets d'étanchement, l'un (21) est constitué en un matériau plus dur et l'autre (22) est constitué en un matériau plus souple, et
    ladite bague comportant le bourrelet d'étanchement (22) associé à la paroi (1) et destiné à venir en contact avec un ruban de bordure (17) qui entoure l'ouverture de sortie (2),
    caractérisé en ce que
    le porte-bague (20) rigide vis-à-vis de la flexion est réalisé sous la forme d'un noyau dans une masse de caoutchouc (24, 25) qui l'entoure totalement et qui forme les deux bourrelets d'étanchement (21, 22), ces derniers étant agencés en opposition mutuelle par rapport au noyau du porte-bague, et la masse de caoutchouc qui l'entoure étant constituée d'un côté au total par le matériau (25) de l'un des bourrelets d'étanchement (21) et de l'autre côté au total par le matériau (24) de l'autre bourrelet d'étanchement (22), et
    la partie de la masse de caoutchouc (24) - du côté de la paroi - constituée du matériau plus souple, et la partie de masse de la masse de caoutchouc (25) - du côté de la plaque coulissante - constituée du matériau plus dur, forment une surface de contact (26) qui s'étend en direction périphérique, et la masse de caoutchouc (25) avec le matériau plus dur forme la moulure (23) pour les pièces de maintien (19).
  2. Agencement d'étanchement selon la revendication 1, caractérisé en ce que la bague d'étanchement est appuyée au moyen des pièces de maintien (19) en permanence sous précontrainte contre le ruban de bordure (17).
  3. Agencement d'étanchement selon l'une ou l'autre des revendications 1 et 2, caractérisé en ce que le bourrelet d'étanchement (21, 22), vu en section transversale, présente à son commencement une largeur qui est supérieure au double de sa hauteur, perpendiculaire à cette largeur.
  4. Agencement d'étanchement selon l'une des revendications 1, 2 ou 3, caractérisé en ce qu'une région de la masse de caoutchouc, qui se trouve entre le bourrelet d'étanchement (21) du côté de l'opercule coulissant et le porte-bague (20), vue en section transversale, est plus haute qu'une région de la masse de caoutchouc qui se trouve entre le bourrelet d'étanchement (22) du côté de la paroi et le porte-bague (20).
  5. Agencement d'étanchement selon l'une des revendications précédentes, caractérisé en ce que les deux bourrelets d'étanchement (21, 22) sont ainsi associés au noyau du porte-bague (20) qu'ils dépassent au-delà du noyau du porte-bague sur une distance supérieure à la moitié de la largeur présente à leur commencement.
  6. Agencement d'étanchement selon l'une des revendications précédentes, caractérisé en ce que le noyau du porte-bague (20), vu en section transversale, est plus grand en direction de son plan médian que dans une direction perpendiculaire à celle-ci.
  7. Agencement d'étanchement selon l'une des revendications précédentes, caractérisé en ce que les pièces de maintien (19) coiffent le porte-bague (20).
  8. Agencement d'étanchement selon l'une des revendications précédentes, caractérisé en ce que le bourrelet d'étanchement (22) du côté de la paroi commence, par rapport à la bague d'étanchement, au niveau de l'arête de bordure radiale intérieure (27) de la masse de caoutchouc (24).
EP97104364A 1996-05-25 1997-03-14 Anneau d'étanchéité à double effet pour vanne à opercule coulissant Expired - Lifetime EP0809054B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19621248A DE19621248B4 (de) 1996-05-25 1996-05-25 Beidseitig wirkender Dichtungsring einer Schieberarmatur
DE19621248 1996-05-25

Publications (2)

Publication Number Publication Date
EP0809054A1 EP0809054A1 (fr) 1997-11-26
EP0809054B1 true EP0809054B1 (fr) 2001-07-11

Family

ID=7795402

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97104364A Expired - Lifetime EP0809054B1 (fr) 1996-05-25 1997-03-14 Anneau d'étanchéité à double effet pour vanne à opercule coulissant

Country Status (6)

Country Link
EP (1) EP0809054B1 (fr)
AT (1) ATE203097T1 (fr)
CZ (1) CZ291898B6 (fr)
DE (1) DE19621248B4 (fr)
ES (1) ES2158394T3 (fr)
PL (1) PL184166B1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10114566A1 (de) * 2001-03-24 2002-10-10 Danfoss Esco As Kongsberg Schieberventil
DE102007024792B3 (de) * 2007-05-26 2008-04-30 Abs-Armaturen Gmbh Abwasser-Systemelemente Gehäuselose Schieberarmatur
DE102009011363B3 (de) * 2009-03-05 2010-01-14 Bü-Sch Armaturen GmbH Beidseitig wirkender Dichtungsring einer Schieberarmatur
DE102013007451A1 (de) 2013-05-02 2014-11-20 Bü-Sch Armaturen GmbH Dichtungsring und Schieberarmatur

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1126207B (de) * 1957-10-30 1962-03-22 Acf Ind Inc Schieber mit einem laengs- oder drehbeweglichen Verschlussstueck
DE4109951C2 (de) * 1991-03-26 1993-12-23 Reinz Dichtungs Gmbh Blech-Elastomer-Flachdichtung
DE4320185C2 (de) * 1993-06-18 1996-09-19 Schmidt Indberatung Gmbh Schieberarmatur mit Dichtung

Also Published As

Publication number Publication date
CZ291898B6 (cs) 2003-06-18
PL320158A1 (en) 1997-12-08
DE19621248A1 (de) 1997-11-27
CZ159797A3 (cs) 1999-01-13
ES2158394T3 (es) 2001-09-01
DE19621248B4 (de) 2006-03-09
EP0809054A1 (fr) 1997-11-26
PL184166B1 (pl) 2002-09-30
ATE203097T1 (de) 2001-07-15

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